Mandible guard



FIG. 1 is a top, front, right side perspective view of a mandible guard showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dashed broken lines shown in the drawings show portions of the mandible guard that form no part of the claimed design. The dash-dot broken lines shown in the drawings depict boundaries of the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for a mandible guard, as shown and described. 